Nikon Z 7II vs OM SYSTEM Olympus OM-3 Silver Micro Four Thirds
Updated August 2026 — Nikon Z 7II wins on video and image quality, OM SYSTEM Olympus OM-3 Silver Micro Four Thirds wins on price and weight.
The Nikon Z 7II excels in image quality and performance, making it ideal for professionals, while the OM-3 offers a more affordable and travel-friendly option.
Why Nikon Z 7II is better
Image Quality
Z 7II has a 45.7MP sensor vs OM-3's 20MP.
Video Capabilities
Z 7II supports 4K UHD at 60p.
Autofocus
Z 7II features advanced Eye Detect AF.
Why OM SYSTEM Olympus OM-3 Silver Micro Four Thirds is better
Price
OM-3 is $1,699.99, cheaper than Z 7II.
Weight
OM-3 is more travel-friendly.
Design
OM-3 has a vintage-styled body.
Overall score
Specifications
| Spec | Nikon Z 7II | OM SYSTEM Olympus OM-3 Silver Micro Four Thirds |
|---|---|---|
| Resolution | 45.7MP | 20MP |
| Video | 4K UHD 60p | Basic video modes |
| Autofocus | Eye Detect AF | Standard AF |
| Battery Life | Longer | Standard |
| Card Slots | Dual | Single |
Dimension comparison
Design and Build Quality
Both the Nikon Z 7II and the OM SYSTEM Olympus OM-3 feature impressive designs, but they cater to different aesthetics and practical needs. The Nikon Z 7II boasts a robust and professional build aimed at serious photographers, while the OM-3 offers a vintage-styled, premium metal body that appeals to those looking for a classic touch. The Z 7II is designed for maximum comfort and ease of operation, ensuring it can handle extended use during shoots. In contrast, the OM-3 comes with an IP53 rating, making it dustproof, splashproof, and freezeproof, which is particularly advantageous for outdoor photography in challenging conditions.
Image Quality
When it comes to image quality, the Nikon Z 7II shines with its ultra-high resolution 45.7MP sensor, which allows for exceptional detail and dynamic range in every shot. This level of resolution is ideal for professional photographers who require the utmost clarity in their images. On the other hand, the OM-3 features a 20MP stacked BSI Live MOS sensor, which provides good image quality and advanced computational photography features. While the Z 7II significantly outperforms the OM-3 in resolution, the OM-3’s capabilities can still deliver impressive results for casual photographers and those experimenting with creative styles.
Autofocus and Performance
In terms of autofocus performance, the Nikon Z 7II excels with its powerful AF system that includes precision Eye Detect AF modes, making it suitable for capturing fast-moving subjects. The camera's continuous shooting speed is enhanced by having 3.3 times more buffer capacity than its predecessor, the original Z 7. Conversely, the OM-3 incorporates several computational photography features and a responsive electronic viewfinder, offering a different kind of performance that emphasizes creativity over sheer speed. Overall, the Z 7II is tailored for those who prioritize performance in dynamic environments, while the OM-3 caters to creative exploration.
Video Capabilities
Video enthusiasts will find the Nikon Z 7II to be a robust option, as it supports 4K UHD video recording at 60p, providing smooth action and versatility for video projects. This capability allows for creative flexibility, including the ability to slow down footage in post-production. In comparison, the OM-3 offers basic video features but is more focused on still photography and creative video modes like S&Q (slow motion and quick motion). The Z 7II's superior video specs make it a better choice for those looking to produce high-quality video content professionally.
Storage and Battery Life
The Nikon Z 7II provides dual card slots (CFexpress/XQD and UHS-II SD), offering photographers flexibility and peace of mind when handling important assignments. This feature is advantageous for those who need to manage large files and ensure backup during critical shooting situations. The OM-3, while it may not have the same level of storage versatility, is designed for travel and convenience, appealing to those who prefer a lightweight camera without the complexities of extensive storage options. Nevertheless, the Z 7II's dual slots make it a superior choice for serious photographers.
Price
In terms of pricing, the Nikon Z 7II currently retails for $1,896.95, while the OM SYSTEM Olympus OM-3 is priced at $1,699.99. This puts the OM-3 about 17% cheaper than the Z 7II. While the OM-3 may be more accessible for those on a budget, the Z 7II justifies its higher price with superior specifications and capabilities that cater to professional photographers. The price difference can be a significant factor for buyers weighing the options.
Bestselling Status
The OM-3 ranks higher in sales at 25,171, compared to the Nikon Z 7II, which has a sales rank of 38,430. This suggests that the OM-3 is more popular among consumers, potentially due to its affordability and appeal to a broader audience. However, the Z 7II's professional-grade features may attract a specific segment of dedicated photographers who prioritize image quality and advanced functions over sales trends.
Which should you buy?
Ultimately, the choice between the Nikon Z 7II and the OM SYSTEM Olympus OM-3 comes down to your specific needs and preferences. If you’re a professional looking for high-resolution images, advanced autofocus, and exceptional video capabilities, the Nikon Z 7II is worth the investment. However, if you prefer a more affordable, travel-friendly option with good creative features, the OM-3 is an excellent choice. Consider your photography style, budget, and the environments in which you'll be shooting to determine which camera aligns best with your goals.

